CN115009980A - Special underground cantilever crane lifting appliance for mine and lifting method - Google Patents
Special underground cantilever crane lifting appliance for mine and lifting method Download PDFInfo
- Publication number
- CN115009980A CN115009980A CN202210949031.6A CN202210949031A CN115009980A CN 115009980 A CN115009980 A CN 115009980A CN 202210949031 A CN202210949031 A CN 202210949031A CN 115009980 A CN115009980 A CN 115009980A
- Authority
- CN
- China
- Prior art keywords
- arm
- plate
- cantilever
- lifting appliance
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/425—Gripping members engaging only the external or internal surfaces of the articles motor actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
- B66C23/208—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided from the side, e.g. by walls of buildings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to the technical field of crane slings, in particular to a special underground cantilever crane sling for a mine and a hoisting method, which comprises a cantilever, a sling clamping mechanism and a split type sling, wherein the split type sling comprises a first sling base plate and a second sling base plate, the first lifting appliance base plate is rotatably connected with one arm of the cantilever through a first lug plate, the second lifting appliance base plate is rotatably connected with the other arm of the cantilever through a second lug plate, two arms of the cantilever are in an open state when the initial state is lifted, the first lifting appliance base plate and the second lifting appliance base plate are respectively positioned at two sides of the coal basket, then the two arms are driven to be closed by the driving mechanism, make first hoist base plate and second hoist base plate draw together the butt, make bear the arm and can butt the downside on the outer edge of coal basket realizes snatching of split type hoist to the coal basket.
Description
Technical Field
The invention relates to the technical field of crane lifting appliances, in particular to a special underground cantilever crane lifting appliance for a mine and a lifting method.
Background
The most common crane spreaders in the prior art are lifting hooks, but also lifting rings, lifting chucks, clamps, lifting beams, etc. The lifting suction cups, the clamps, the lifting beams and the like can be used as special lifting appliances on a crane for a long time, can also be used as replaceable auxiliary lifting appliances to be hung on lifting hooks for temporary use, and are commonly used for various goods warehouses and storage yards to improve the operation efficiency.
However, in the mine, the coal basket loaded with the coal mine needs to be lifted, and in addition, the underground space of the mine is narrow and the environment is complex, so that a special crane lifting appliance for lifting the coal basket needs to be designed to lift the coal basket in a small space.
Chinese patent ZL 202010196090.1 discloses a coke tank special lifting device, wherein disclose including: the coke oven cover locking device comprises an upper cross beam, a lower cross beam, a first connecting rod, a second connecting rod, a plate hook and an anti-falling plate, wherein a first lock head is arranged on the lower cross beam and has a locking state matched with a lock hole on the coke oven cover in a locking way and a loosening state; the first driving mechanism is in transmission connection with the first lock head through a first pull rod; the second lock head is arranged on the upper cross beam, and has a locking state matched with the locking hole on the lower cross beam in a locking way and a loosening state; the second driving mechanism is in transmission connection with the second lock head through a second pull rod; during the use, make first tapered end and second tapered end all be in the locking state earlier to carry out the handling of coke jar cover, when carrying out the handling of coke jar body, switch to the unclamping state with the second tapered end again. Through setting up first tapered end and second tapered end, make one set of hoist can carry out the handling of coke jar cover and coke jar body respectively, need not to set up another set of hoist again.
Chinese patent ZL 201710307683.9 discloses a general balance beam lifting appliance with adjustable lifting span, wherein the general balance beam lifting appliance comprises a balance beam fixing and mounting device, a balance beam device and a span adjusting device; the lower end of the balance beam fixed mounting device is symmetrically hinged with the upper end of the balance beam device, and the upper end of the balance beam fixed mounting device is symmetrically connected with a crane hook; the span adjusting device is symmetrically arranged at the bottom of the balance beam device. The balance beam lifting appliance and the use method thereof meet the lifting requirements of heavy objects with different specifications or external dimensions, and can realize safe and efficient lifting operation.
However, the conventional jib crane and the conventional spreader require spreader structures such as a hook, a lifting ring and a clamp to be arranged below the jib, and the above structures occupy a large space in the vertical direction. The problem that the coal basket loaded with the coal mine cannot be reliably and conveniently grabbed by lifting the coal basket for transporting the coal mine exists.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the special cantilever crane lifting appliance for the underground mine and the lifting method.
In order to achieve the purpose, the invention provides the following technical scheme:
a special cantilever crane lifting appliance for underground mines comprises a cantilever, a lifting appliance clamping mechanism and a split type lifting appliance, wherein the split type lifting appliance comprises a first lifting appliance base plate and a second lifting appliance base plate, the first lifting appliance base plate is rotatably connected with one arm of the cantilever through a first lug plate, and the second lifting appliance base plate is rotatably connected with the other arm of the cantilever through a second lug plate;
the two sides of the first lifting appliance base plate and the two sides of the second lifting appliance base plate are respectively provided with a lifting appliance clamping mechanism, the number of the lifting appliance clamping mechanisms is four, six or more, and the bearing arms of the lifting appliance clamping mechanisms can be switched between a bearing working state and a free release state;
two of cantilever when promoting initial condition the arm is in the state of opening, first hoist base plate and second hoist base plate are located the both sides of coal basket respectively, just bear the arm and be in the free release state, later through actuating mechanism drive two the arm is drawn together, makes first hoist base plate and second hoist base plate draw together the butt, and is a plurality of bear the arm and adjoin the below on the outer edge of coal basket, actuating mechanism makes a plurality of bear the arm and change into operating condition from the free release state, make it can the butt to bear the arm the downside on the outer edge of coal basket realizes snatching of split type hoist to the coal basket.
Furthermore, the lifting appliance clamping mechanism comprises a fixed frame, a driving mechanism, a first driving plate, a second driving plate, a bearing arm and a supporting arm, wherein the driving mechanism is rotatably arranged on the fixed frame, the supporting arm is further arranged on the fixed frame, one end of the first driving plate is hinged to the supporting arm, and the other end of the first driving plate is hinged to the movable end of the driving mechanism;
a bearing arm is hinged to the supporting arm, one end of the second driving plate is hinged to the middle of the first driving plate, and the other end of the second driving plate is hinged to the middle of the bearing arm;
the driving mechanism drives the first driving plate to rotate, the first driving plate drives the bearing arm to rotate through the second driving plate, and the bearing arm is switched between a bearing working state and a free release state.
Further, first drive plate includes first L shaped plate, second L shaped plate, first pivot, second pivot and third pivot, first L shaped plate and second L shaped plate are L shape and parallel arrangement be connected with first pivot between the first end of first L shaped plate and second L shaped plate be connected with the second pivot between the second end of first L shaped plate and second L shaped plate be connected with the third pivot between the department of bending of first L shaped plate and second L shaped plate.
Further, bear the arm and include centre gripping arm, short arm, first hinge hole, second hinge hole and loading board to one side, the contained angle of centre gripping arm and short arm to one side is the obtuse angle, the hookup location department of centre gripping arm and short arm to one side is provided with the second hinge hole, first hinge hole is kept away from the one end of second hinge hole is provided with first hinge hole, the loading board set up in the centre gripping arm is kept away from the one end of second hinge hole.
Further, the support arm includes combination arm, short brace arm, bears arm pivot, drive plate locating hole, dodges groove and hoist baffle, the contained angle of combination arm and short brace arm is the acute angle the hookup location department of combination arm and short brace arm pass through the bracing piece with mount fixed connection, the hookup location department of combination arm and short brace arm still is provided with the drive plate locating hole, keep away from on the short brace arm the one end of drive plate locating hole is provided with bears the arm pivot, keep away from on the combination arm the one end of drive plate locating hole is provided with dodges the groove, the hoist baffle with the combination arm is integrative to be set up, just the position of hoist baffle is higher than dodge the groove when bearing the arm and being in bearing operating condition, dodge the groove and hold bear the arm, just the hoist baffle with the loading board constitutes to lift by crane the structure.
Further, a first rotating shaft of the first driving plate is hinged to a movable end of the driving mechanism, and a second rotating shaft of the first driving plate is in rotating fit with the driving plate positioning hole;
the first hinge hole of the bearing arm is in rotating fit with the bearing arm rotating shaft of the supporting arm;
one end of the second driving plate is hinged with the third rotating shaft of the first driving plate, and the other end of the second driving plate is hinged with the second hinge hole of the bearing arm;
when the bearing arm is in a bearing working state, the third rotating shaft, the second hinge hole and the drive plate positioning hole are in the same straight line, and the straight line is superposed with the extension direction of the second drive plate;
the weight of the coal basket is borne by the second driving plate, the third rotating shaft, the second hinge hole and the driving plate positioning hole which are located on the same straight line, and the weight of the coal basket is not transmitted to the movable end of the driving mechanism.
The hoisting method of the crane spreader comprises the following steps:
step a, in a lifting initial state, enabling the cantilever to incline downwards through an amplitude variation base, enabling two arms of the cantilever to be opened through a driving mechanism, enabling a first lifting appliance base plate and a second lifting appliance base plate of the split type lifting appliance to be separated and located on two sides of a coal basket, and enabling bearing arms to be in a free release state;
b, enabling two arms of the cantilever to be closed by a driving mechanism, locking the two arms by a cantilever locking device to realize the abutting joint of the first lifting appliance base plate and the second lifting appliance base plate, and then converting the bearing arm to a bearing working state, wherein a lifting structure is formed by a lifting appliance baffle plate and a bearing plate;
and c, the amplitude variation base rotates to enable the cantilever to tilt upwards, the lug plate rotating structure between the split type lifting appliance and the cantilever enables the split type lifting appliance to be kept in a horizontal state, the load of the coal basket is borne by the bearing arm and the main body structure of the lifting appliance clamping mechanism, and the weight of the coal basket is not transmitted to the driving mechanism of the lifting appliance clamping mechanism.
Compared with the prior art, the invention provides a special underground cantilever crane lifting appliance for a mine and a lifting method, and the special underground cantilever crane lifting appliance has the following beneficial effects:
1. the cantilever crane lifting appliance comprises a first lifting appliance base plate and a second lifting appliance base plate, and is matched with a specially designed cantilever with two arms, the split type lifting appliance can be positioned at two sides of a coal basket at a lifting initial position in a separation mode of the first lifting appliance base plate and the second lifting appliance base plate, and then the two arms of the cantilever are driven to be closed, so that the first lifting appliance base plate and the second lifting appliance base plate are closed and simultaneously clamped with an extension of the coal basket, and the load is grabbed;
2. when the lifting appliance clamping mechanism is in a bearing working state, the third rotating shaft, the second hinge hole and the drive plate positioning hole are in the same straight line, and the straight line is superposed with the extension direction of the second drive plate, so that the weight of the coal basket is transmitted to the third rotating shaft, the second hinge hole, the drive plate positioning hole and the second drive plate through the bearing arm, and the weight of the coal basket is not transmitted to the driving mechanism of the lifting appliance clamping mechanism, therefore, the driving mechanism of the miniaturized lifting appliance clamping mechanism can be adopted to bear the coal basket with heavy weight, and the miniaturization of the driving mechanism further reduces the occupied space of the lifting appliance to adapt to the underground mine working environment;
3. according to the hinged relation of the support base, the variable-amplitude base and the cantilever, variable-amplitude rotation of the cantilever in the vertical direction and opening and closing rotation of the cantilever in the direction perpendicular to the vertical direction are realized, grabbing and lifting of loads are realized through the rotation, the lifting structure is simplified, the occupied space is reduced to the maximum extent, and the hinged relation of the support base, the variable-amplitude base and the cantilever is further suitable for the underground operation environment of a mine.
Drawings
FIG. 1 is a schematic overall structure diagram of a special underground mine cantilever crane sling of the invention;
FIG. 2 is a schematic structural view of the crane spreader of the present invention in its disengaged position;
FIG. 3 is a schematic view of the overall structure of the jib crane and crane spreader of the present invention;
FIG. 4 is a schematic diagram of the free release state structure of the spreader clamping mechanism of the present invention;
FIG. 5 is a schematic structural view of the loading operation state of the clamping mechanism of the spreader of the present invention;
FIG. 6 is a schematic structural view of a first drive plate of the present invention;
FIG. 7 is a schematic structural diagram of a carrier arm according to the present invention;
FIG. 8 is a schematic view of a support arm of the present invention;
in the figure: the lifting device comprises a supporting base 1, a luffing base 2, a cantilever 3, a lifting device clamping mechanism 4, a fixing frame 41, a driving mechanism 42, a first driving plate 43, a first L-shaped plate 431, a second L-shaped plate 432, a first rotating shaft 433, a second rotating shaft 434, a third rotating shaft 435, a second driving plate 44, a bearing arm 45, a clamping arm 451, a short inclined arm 452, a first hinge hole 453, a second hinge hole 454, a bearing plate 455, a supporting arm 46, a combination arm 461, a short supporting arm 462, a bearing arm rotating shaft 463, a driving plate positioning hole 464, an avoidance groove 465, a lifting device baffle 466, a split type lifting device 5, a first lifting device base plate 51, a second lifting device base plate 52, a first lug plate 53, a second lug plate 54, a coal basket 6 and a cantilever locking device 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is described in detail below with reference to fig. 1 to 8, and the special jib crane spreader for underground mines of the invention comprises a jib 3, a spreader clamping mechanism 4 and a split spreader 5, wherein the split spreader 5 comprises a first spreader base plate 51 and a second spreader base plate 52, the first spreader base plate 51 is rotatably connected with one arm of the jib 3 through a first lug plate 53, and the second spreader base plate 52 is rotatably connected with the other arm of the jib 3 through a second lug plate 54;
the two sides of the first hanger base plate 51 and the two sides of the second hanger base plate 52 are both provided with hanger clamping mechanisms 4, the number of the hanger clamping mechanisms 4 is four, six or more, the hanger clamping mechanisms 4 are arranged in pairs, and the bearing arms 45 of the hanger clamping mechanisms 4 can be switched between a bearing working state and a free release state;
two of cantilever 3 when promoting initial condition the arm is in the state of opening, first hoist base plate 51 and second hoist base plate 52 are located the both sides of coal basket 6 respectively, just bear arm 45 and be in the free release state, later drive two through actuating mechanism the arm is drawn together, makes first hoist base plate 51 and second hoist base plate 52 draw together the butt, and is a plurality of bear arm 45 and adjoin the below on the outer edge of coal basket 6, actuating mechanism makes a plurality of bear arm 45 converts operating condition into from the free release state, makes bear arm 45 can the butt the downside on the outer edge of coal basket 6 realizes snatching of split type hoist 5 to coal basket 6.
Further, the lifting appliance clamping mechanism 4 comprises a fixed frame 41, a driving mechanism 42, a first driving plate 43, a second driving plate 44, a bearing arm 45 and a supporting arm 46, wherein the driving mechanism 42 is rotatably arranged on the fixed frame 41, the fixed frame 41 is further provided with the supporting arm 46, one end of the first driving plate 43 is hinged to the supporting arm 46, and the other end of the first driving plate 43 is hinged to the movable end of the driving mechanism 42;
a bearing arm 45 is further hinged to the supporting arm 46, one end of the second driving plate 44 is hinged to the middle of the first driving plate 43, and the other end of the second driving plate 44 is hinged to the middle of the bearing arm 45;
the driving mechanism 42 drives the first driving plate 43 to rotate, and the first driving plate 43 drives the bearing arm 45 to rotate through the second driving plate 44, so that the bearing arm 45 is switched between a bearing working state and a free release state.
Further, the first driving plate 43 includes a first L-shaped plate 431, a second L-shaped plate 432, a first rotating shaft 433, a second rotating shaft 434 and a third rotating shaft 435, the first L-shaped plate 431 and the second L-shaped plate 432 are L-shaped and are arranged in parallel, the first rotating shaft 433 is connected between the first ends of the first L-shaped plate 431 and the second L-shaped plate 432, the second rotating shaft 434 is connected between the second ends of the first L-shaped plate 431 and the second L-shaped plate 432, and the third rotating shaft 435 is connected between the bent portions of the first L-shaped plate 431 and the second L-shaped plate 432.
Further, bear arm 45 and include centre gripping arm 451, oblique short arm 452, first articulated hole 453, second articulated hole 454 and loading board 455, the contained angle of centre gripping arm 451 and oblique short arm 452 is the obtuse angle, centre gripping arm 451 and the junction position department of oblique short arm 452 are provided with second articulated hole 454, first articulated hole 453 is kept away from the one end of second articulated hole 454 is provided with first articulated hole 453, loading board 455 set up in centre gripping arm 451 keeps away from the one end of second articulated hole 454.
Further, the supporting arm 46 includes a combination arm 461, a short supporting arm 462, a bearing arm rotating shaft 463, a driving plate positioning hole 464, an avoiding groove 465 and a hanger baffle 466, an included angle between the combination arm 461 and the short supporting arm 462 is an acute angle, the connection position of the combination arm 461 and the short supporting arm 462 is fixedly connected with the fixing frame 41 through a supporting rod, the connection position of the combination arm 461 and the short supporting arm 462 is further provided with a driving plate positioning hole 464, one end of the short supporting arm 462 far away from the driving plate positioning hole 464 is provided with a bearing arm rotating shaft 463, one end of the combination arm 461 far away from the driving plate positioning hole 464 is provided with an avoiding groove 465, the hanger baffle 466 and the combination arm 461 are integrally arranged, the hanger baffle 466 is higher than the avoiding groove 465, when the bearing arm 45 is in a bearing working state, the avoiding groove 465 accommodates the bearing arm 45, and the spreader shield 466 and the carrier plate 455 constitute a hoisting structure.
Further, the first rotating shaft 433 of the first driving plate 43 is hinged to the movable end of the driving mechanism 42, and the second rotating shaft 434 of the first driving plate 43 is rotatably matched with the driving plate positioning hole 464;
the first hinge hole 453 of the carrying arm 45 is rotatably engaged with the carrying arm rotating shaft 463 of the supporting arm 46;
one end of the second driving plate 44 is hinged to the third rotating shaft 435 of the first driving plate 43, and the other end is hinged to the second hinge hole 454 of the carrying arm 45;
when the bearing arm 45 is in a bearing working state, the third rotating shaft 435, the second hinge hole 454 and the driving plate positioning hole 464 are in the same straight line, and the straight line is overlapped with the extending direction of the second driving plate 44;
the weight of the coal basket 6 is borne by the second driving plate 44, the third rotating shaft 435, the second hinge hole 454 and the driving plate positioning hole 464 which are in a straight line, and the weight of the coal basket 6 is not transmitted to the movable end of the driving mechanism 42.
The hoisting method of the crane sling comprises the following steps:
step a, in a lifting initial state, a cantilever 3 is inclined downwards through an amplitude variation base 2, two arms of the cantilever 3 are opened through a driving mechanism, a first lifting appliance base plate and a second lifting appliance base plate of the split type lifting appliance are separated and positioned at two sides of a coal basket 6, and a bearing arm 45 is in a free release state;
step b, the driving mechanism closes the two arms of the cantilever 3, the cantilever locking device 7 locks the two arms to realize the abutting joint of the first hanger substrate and the second hanger substrate, and then the bearing arm 45 is switched to a bearing working state, and at this time, a lifting structure is formed by the hanger baffle 466 and the bearing plate 455;
and c, the luffing base 2 rotates to enable the cantilever 3 to incline upwards, the lug plate rotating structure between the split type lifting appliance 5 and the cantilever 3 enables the split type lifting appliance 5 to be kept in a horizontal state, the load of the coal basket 6 is borne by the bearing arm 45 and the main structure of the lifting appliance clamping mechanism 4, and the weight of the coal basket 6 is not transmitted to the driving mechanism of the lifting appliance clamping mechanism 4.
In addition, the special cantilever crane for the underground mine comprises a supporting base, an amplitude variation base, a cantilever and a cantilever locking device, wherein the cantilever comprises a first cantilever and a second cantilever, one end of the first cantilever and one end of the second cantilever are both rotatably arranged on the amplitude variation base, an included angle between the first cantilever and the second cantilever is changed through an opening and closing driving mechanism, and the other ends of the first cantilever and the second cantilever are respectively provided with a split type lifting appliance;
when the initial state is lifted, the first cantilever and the second cantilever are in an open state, the split lifting appliance is positioned on two sides of the coal basket, and the opening and closing driving mechanism drives the first cantilever and the second cantilever to be closed, so that the split lifting appliance is closed and clamped with the outer edge of the upper side of the coal basket, and the coal basket is grabbed by the split lifting appliance;
the first cantilever is provided with a locking hole, the corresponding position of the second cantilever is provided with a cantilever locking device when the cantilevers are closed, and the cantilever locking device can be clamped with the locking hole when the cantilevers are closed, so that the first cantilever and the second cantilever are locked;
the variable-amplitude base is a frame-shaped structure with an opening at one side, the first cantilever and the second cantilever are rotatably hinged inside the opening, the variable-amplitude base is rotatably arranged on the support base, the variable-amplitude base is rotated through the variable-amplitude driving mechanism, the pitching angle of the cantilevers can be changed, and the support base is connected with a support structure in the mine underground.
Further, the opening and closing driving mechanism comprises a first opening and closing oil cylinder and a second opening and closing oil cylinder, and the amplitude variation driving mechanism is an amplitude variation oil cylinder;
the variable-amplitude base comprises a top plate, a bottom plate, side plates and back plates, wherein the side plates are vertically arranged, the top plate is arranged at the upper ends of the side plates, the bottom plate is arranged at the lower ends of the side plates in the same direction, the top plate, the bottom plate and the side plates form a U-shaped frame structure with an opening at one side, two back plates are arranged on one sides of the side plates opposite to the top plate and the bottom plate, two opening and closing oil cylinder hinging seats are arranged on one sides of the side plates in the same direction as the top plate and the bottom plate, cantilever supporting holes are formed in the top plate and the bottom plate, the area of the bottom plate is larger than that of the top plate, and a hinging seat on the variable-amplitude oil cylinder is arranged on the lower side surface of one end, away from the side plates, of the bottom plate;
the supporting base comprises a base bottom plate, and a variable amplitude hinged seat and a variable amplitude oil cylinder bottom hinged seat which are arranged on the side surface of the base bottom plate, the two back plates are rotatably arranged on the variable amplitude hinged seat, and the variable amplitude oil cylinder is respectively hinged on the variable amplitude oil cylinder bottom hinged seat and the variable amplitude oil cylinder upper hinged seat, so that the variable amplitude base can rotate in the vertical direction;
the one end of first cantilever is provided with first cantilever pivot, the other end is provided with the second hoist hangers, the one end of second cantilever is provided with the second cantilever pivot, the other end is provided with first hoist hangers, first cantilever pivot, second cantilever pivot and cantilever supported hole normal running fit, the one end of first hydro-cylinder and the second hydro-cylinder that opens and shuts articulates respectively and sets up on the articulated seat of two hydro-cylinders that open and shut, the other end of first hydro-cylinder that opens and shuts articulates on the articulated seat of first cantilever one side, the other end of second hydro-cylinder that opens and shuts articulates on the articulated seat of second cantilever one side, realize first cantilever, the second cantilever rotates on the extension plane of roof and bottom plate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a special cantilever crane hoist in mine pit, includes cantilever (3), hoist fixture (4) and split type hoist (5), its characterized in that:
the split type lifting appliance (5) comprises a first lifting appliance base plate (51) and a second lifting appliance base plate (52), wherein the first lifting appliance base plate (51) is rotatably connected with one arm of the cantilever (3) through a first lug plate (53), and the second lifting appliance base plate (52) is rotatably connected with the other arm of the cantilever (3) through a second lug plate (54);
the two sides of the first hanger base plate (51) and the two sides of the second hanger base plate (52) are respectively provided with a hanger clamping mechanism (4), the number of the hanger clamping mechanisms (4) is four, six or more, the hanger clamping mechanisms are arranged in pairs, and a bearing arm (45) of each hanger clamping mechanism (4) can be switched between a bearing working state and a free release state;
two of cantilever (3) are in the state of opening when promoting initial condition the arm is in, first hoist base plate (51) and second hoist base plate (52) are located the both sides of coal basket (6) respectively, just bear arm (45) and be in the free release state, later drive two through actuating mechanism the arm is drawn together, make first hoist base plate (51) and second hoist base plate (52) draw together the butt, it is a plurality of bear arm (45) adjoin the below on the outer edge of coal basket (6), actuating mechanism makes a plurality of bear arm (45) convert operating condition into from the free release state, make bear arm (45) can the butt the downside on the outer edge of coal basket (6), realize snatching of split type hoist (5) to coal basket (6).
2. The special cantilever crane hoist in mine pit of claim 1, characterized in that:
the lifting appliance clamping mechanism (4) comprises a fixing frame (41), a driving mechanism (42), a first driving plate (43), a second driving plate (44), a bearing arm (45) and a supporting arm (46), the driving mechanism (42) is rotatably arranged on the fixing frame (41), the supporting arm (46) is further arranged on the fixing frame (41), one end of the first driving plate (43) is hinged to the supporting arm (46), and the other end of the first driving plate (43) is hinged to the movable end of the driving mechanism (42);
a bearing arm (45) is hinged to the supporting arm (46), one end of the second driving plate (44) is hinged to the middle of the first driving plate (43), and the other end of the second driving plate (44) is hinged to the middle of the bearing arm (45);
the driving mechanism (42) drives the first driving plate (43) to rotate, the first driving plate (43) drives the bearing arm (45) to rotate through the second driving plate (44), and the bearing arm (45) is switched between a bearing working state and a free release state.
3. The special cantilever crane hoist in mine pit of claim 2, characterized in that:
first drive plate (43) include first L shaped plate (431), second L shaped plate (432), first pivot (433), second pivot (434) and third pivot (435), first L shaped plate (431) and second L shaped plate (432) are L shape and parallel arrangement be connected with first pivot (433) between the first end of first L shaped plate (431) and second L shaped plate (432) be connected with second pivot (434) between the second end of first L shaped plate (431) and second L shaped plate (432) be connected with third pivot (435) between the department of bending of first L shaped plate (431) and second L shaped plate (432).
4. The special cantilever crane hoist in mine pit of claim 3, characterized in that:
bear arm (45) including centre gripping arm (451), oblique short arm (452), first articulated hole (453), second articulated hole (454) and loading board (455), the contained angle of centre gripping arm (451) and oblique short arm (452) is the obtuse angle, the hookup location department of centre gripping arm (451) and oblique short arm (452) is provided with second articulated hole (454), first articulated hole (453) are kept away from the one end of second articulated hole (454) is provided with first articulated hole (453), loading board (455) set up in centre gripping arm (451) is kept away from the one end of second articulated hole (454).
5. The special cantilever crane hoist in mine pit of claim 4, characterized in that:
the supporting arm (46) comprises a combination arm (461), a short supporting arm (462), a bearing arm rotating shaft (463), a driving plate positioning hole (464), an avoiding groove (465) and a hanger baffle (466), an included angle between the combination arm (461) and the short supporting arm (462) is an acute angle, the connection position of the combination arm (461) and the short supporting arm (462) is fixedly connected with the fixing frame (41) through a supporting rod, the connection position of the combination arm (461) and the short supporting arm (462) is also provided with a driving plate positioning hole (464), one end of the short supporting arm (462) far away from the driving plate positioning hole (464) is provided with the bearing arm rotating shaft (463), one end of the combination arm (461) far away from the driving plate positioning hole (464) is provided with the avoiding groove (465), the hanger baffle (466) is integrally arranged with the combination arm (461), and the hanger baffle (466) is higher than the avoiding groove (465), when the bearing arm (45) is in a bearing working state, the avoiding groove (465) accommodates the bearing arm (45), and the lifting appliance baffle plate (466) and the bearing plate (455) form a lifting structure.
6. The special cantilever crane hoist in mine pit of claim 5, characterized in that:
a first rotating shaft (433) of the first driving plate (43) is hinged with a movable end of the driving mechanism (42), and a second rotating shaft (434) of the first driving plate (43) is in rotating fit with the driving plate positioning hole (464);
the first hinge hole (453) of the bearing arm (45) is rotatably matched with the bearing arm rotating shaft (463) of the supporting arm (46);
one end of the second driving plate (44) is hinged with the third rotating shaft (435) of the first driving plate (43), and the other end of the second driving plate is hinged with the second hinge hole (454) of the bearing arm (45);
when the bearing arm (45) is in a bearing working state, the third rotating shaft (435), the second hinge hole (454) and the drive plate positioning hole (464) are in the same straight line, and the straight line is superposed with the extending direction of the second drive plate (44);
the weight of the coal basket (6) is borne by the second driving plate (44), the third rotating shaft (435), the second hinge hole (454) and the driving plate positioning hole (464) which are located on the same straight line, and the weight of the coal basket (6) is not transmitted to the movable end of the driving mechanism (42).
7. A hoisting method of a crane sling, which adopts the special cantilever crane sling for the underground mine of any one of claims 1 to 6, and is characterized by comprising the following steps:
step a, in a lifting initial state, a cantilever (3) is inclined downwards through an amplitude variation base (2), two arms of the cantilever (3) are opened through a driving mechanism, a first lifting appliance base plate and a second lifting appliance base plate of the split type lifting appliance are separated and positioned on two sides of a coal basket (6), and a bearing arm (45) is in a free release state;
b, enabling two arms of the cantilever (3) to be closed by a driving mechanism, locking the two arms by a cantilever locking device (7) to realize the abutting joint of the first lifting appliance base plate and the second lifting appliance base plate, and then converting the bearing arm (45) into a bearing working state, wherein a lifting structure is formed by a lifting appliance baffle plate (466) and a bearing plate (455);
and c, rotating the amplitude variation base (2) to enable the cantilever (3) to tilt upwards, enabling the split lifting appliance (5) to be kept in a horizontal state through an ear plate rotating structure between the split lifting appliance (5) and the cantilever (3), bearing the load of the coal basket (6) by a bearing arm (45) and a main body structure of the lifting appliance clamping mechanism (4), and not transmitting the weight of the coal basket (6) to a driving mechanism of the lifting appliance clamping mechanism (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210949031.6A CN115009980B (en) | 2022-08-09 | 2022-08-09 | Special underground cantilever crane lifting appliance for mine and lifting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210949031.6A CN115009980B (en) | 2022-08-09 | 2022-08-09 | Special underground cantilever crane lifting appliance for mine and lifting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115009980A true CN115009980A (en) | 2022-09-06 |
| CN115009980B CN115009980B (en) | 2022-10-25 |
Family
ID=83066138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210949031.6A Active CN115009980B (en) | 2022-08-09 | 2022-08-09 | Special underground cantilever crane lifting appliance for mine and lifting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115009980B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0285292A1 (en) * | 1987-03-19 | 1988-10-05 | Mr Car Cradle Inc. | Vehicle lifting device |
| CN101712439A (en) * | 2009-11-27 | 2010-05-26 | 三一汽车制造有限公司 | Crane transition auxiliary device, transport trailer and method for dismantling crane |
| CN103523650A (en) * | 2013-10-31 | 2014-01-22 | 奇瑞汽车股份有限公司 | Lifting appliance of automobile auxiliary frame |
| CN206188225U (en) * | 2016-10-21 | 2017-05-24 | 成都世唯科技有限公司 | Blade clamping machine hand device |
| CN107934757A (en) * | 2017-12-28 | 2018-04-20 | 哈工大机器人（合肥）国际创新研究院 | A kind of section bar multifunction automatic suspender |
| CN108821136A (en) * | 2018-07-06 | 2018-11-16 | 陈荣乾 | A kind of hanging apparatus for large-scale wind driven generator fan blade set |
| US20190127187A1 (en) * | 2017-10-30 | 2019-05-02 | Hans Kunz GmbH | Transportation installation for a crane |
| CN210480670U (en) * | 2019-07-08 | 2020-05-08 | 辽宁省送变电工程有限公司 | Automatic dismounting and maintaining device for paying-off tackle |
| CN211898607U (en) * | 2020-04-13 | 2020-11-10 | 山东金科星机电股份有限公司 | Tunnel repair equipment for coal mine |
| CN213231218U (en) * | 2020-07-20 | 2021-05-18 | 周兆弟 | Hoisting sling and hoisting equipment |
| CN114572867A (en) * | 2022-02-25 | 2022-06-03 | 中国煤炭科工集团太原研究院有限公司 | Material loading and transporting vehicle for coal mine |
| CN114803816A (en) * | 2022-04-24 | 2022-07-29 | 湖南三一中型起重机械有限公司 | Lifting device and operation machine |
-
2022
- 2022-08-09 CN CN202210949031.6A patent/CN115009980B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0285292A1 (en) * | 1987-03-19 | 1988-10-05 | Mr Car Cradle Inc. | Vehicle lifting device |
| CN101712439A (en) * | 2009-11-27 | 2010-05-26 | 三一汽车制造有限公司 | Crane transition auxiliary device, transport trailer and method for dismantling crane |
| CN103523650A (en) * | 2013-10-31 | 2014-01-22 | 奇瑞汽车股份有限公司 | Lifting appliance of automobile auxiliary frame |
| CN206188225U (en) * | 2016-10-21 | 2017-05-24 | 成都世唯科技有限公司 | Blade clamping machine hand device |
| US20190127187A1 (en) * | 2017-10-30 | 2019-05-02 | Hans Kunz GmbH | Transportation installation for a crane |
| CN107934757A (en) * | 2017-12-28 | 2018-04-20 | 哈工大机器人（合肥）国际创新研究院 | A kind of section bar multifunction automatic suspender |
| CN108821136A (en) * | 2018-07-06 | 2018-11-16 | 陈荣乾 | A kind of hanging apparatus for large-scale wind driven generator fan blade set |
| CN210480670U (en) * | 2019-07-08 | 2020-05-08 | 辽宁省送变电工程有限公司 | Automatic dismounting and maintaining device for paying-off tackle |
| CN211898607U (en) * | 2020-04-13 | 2020-11-10 | 山东金科星机电股份有限公司 | Tunnel repair equipment for coal mine |
| CN213231218U (en) * | 2020-07-20 | 2021-05-18 | 周兆弟 | Hoisting sling and hoisting equipment |
| CN114572867A (en) * | 2022-02-25 | 2022-06-03 | 中国煤炭科工集团太原研究院有限公司 | Material loading and transporting vehicle for coal mine |
| CN114803816A (en) * | 2022-04-24 | 2022-07-29 | 湖南三一中型起重机械有限公司 | Lifting device and operation machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115009980B (en) | 2022-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3632152A (en) | Hinged clamp | |
| CN109110652A (en) | A kind of movable type gantry crane | |
| CN115009980B (en) | Special underground cantilever crane lifting appliance for mine and lifting method | |
| CN1009543B (en) | Tank container | |
| CN115010009B (en) | Special cantilever crane in pit in mine | |
| CN112374379A (en) | Novel crane boom | |
| CN216737192U (en) | Lifting appliance and lifting equipment | |
| CN219408841U (en) | Lifting appliance adjusting mechanism of container stacking machine | |
| CN212740431U (en) | Four-hook square steel lifting claw | |
| CN211971509U (en) | Lifting appliance | |
| CN219449059U (en) | Lifting appliance for crane maintenance | |
| CN211846882U (en) | Grab bucket type balance crane | |
| CN218664965U (en) | Roof reinforcing steel bar lifting appliance | |
| CN217264296U (en) | Steel coil seat frame clamp | |
| CN216889658U (en) | Tilting driving device of gantry type container crane lifting appliance | |
| CN220578781U (en) | Quick detachable hoisting accessory based on building major structure | |
| CN109775578A (en) | A kind of gravity mechanical arm | |
| CN221051354U (en) | Lifting appliance for transferring vehicle door assembly | |
| CN216105593U (en) | Lifting appliance suitable for cylindrical workpiece with flange or concave structure | |
| CN221543959U (en) | Single pulley cantilever sling | |
| CN210915192U (en) | Fork truck tongs | |
| CN217676325U (en) | Automobile body hoist and automobile body hoist assembly | |
| CN218261615U (en) | Light-duty panel hoist device | |
| CN216785460U (en) | Automatic hooking and unhooking mechanism for crane lifting appliance | |
| CN214087301U (en) | Prefabricated component hangs nail hoist |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |